# Second Brain Vault vs BrainDump

The clearest difference is ads: Second Brain Vault at none against BrainDump's shown. BrainDump's advantage is update cadence (every 2 days vs every 4 months) and iOS requirement (18.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Second Brain Vault sells 1 one-off in-app purchase and BrainDump sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Second Brain Vault ships an update every 4 months, BrainDump every 2 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Second Brain Vault | BrainDump |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 2 MB | 9 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Byoungho Kim](https://appshunter.io/developer/1888452963) | [KAZUYA AKANUMA](https://appshunter.io/developer/6781671649) |

## What reviewers say

### Second Brain Vault

[App page](https://appshunter.io/ios/app/second-brain-vault/id6782200821)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Brain Vault (Lifetime) | $17.99 | one-time |


### BrainDump

[App page](https://appshunter.io/ios/app/braindump-voice-to-notion/id6783911663)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $2.99 | per month |


## Frequently asked questions

### Is Second Brain Vault free?

Second Brain Vault is free to download, with in-app purchases available.

### Is BrainDump free?

BrainDump is free to download, with in-app purchases available.

### Do Second Brain Vault or BrainDump have ads?

BrainDump shows ads; Second Brain Vault does not.

### Which is updated more often, Second Brain Vault or BrainDump?

Second Brain Vault ships an update every 4 months, and BrainDump every 2 days. Most recently, Second Brain Vault was updated on November 7, 2026 and BrainDump on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*